| blob | 2c8f329a0927fb7636c2f0dbb2b0173b49367c6d |
1 /* $NetBSD: majors+minors,v 1.12 2001/02/20 22:58:34 reinoud Exp $ */
3 /*
4 * Copyright (c) 19941198 Mark Brinicombe.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. All advertising materials mentioning features or use of this software
16 * must display the following acknowledgement:
17 * This product includes software developed by Mark Brinicombe
18 * for the NetBSD Project.
19 * 4. The name of the company nor the name of the author may be used to
20 * endorse or promote products derived from this software without specific
21 * prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
24 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
25 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
26 * IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
27 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
28 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
29 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * SUCH DAMAGE.
34 *
35 * list of all allocated major numbers
36 *
37 * Created : 17/09/94
38 */
40 List of allocated and reserved major and minor numbers
42 The block and character major numbers are ALWAYS allocated together to the
43 same device driver even if the driver does not require both.
45 0 B - reserved
46 0 C - memory device
47 minor = 0 - /dev/mem
48 minor = 1 - /dev/kmem
49 minor = 2 - /dev/null
50 minor = 3 - /dev/zero
51 1 B - swap device
52 1 C - psuedo swap device
53 minor = 0 - /dev/drum
54 2 B - reserved
55 2 C - console device
56 minor = 0 - /dev/console
57 3 B - reserved
58 3 C - controlling terminal
59 minor = 0 - /dev/tty
60 4 B - reserved
61 4 C - virtual console
62 /dev/ttyv{unit}
63 unit = minor
64 5 B - reserved
65 5 C - kernel log device
66 minor = 0 - /dev/klog
67 6 B - reserved
68 6 C - psuedo tty master
69 /dev/pty{class}{unit}
70 unit = minor % 16
71 minor / 16 = 0 - class = p
72 minor / 16 = 1 - class = q
73 minor / 16 = 2 - class = r
74 minor / 16 = 3 - class = s
75 minor / 16 = 4 - class = t
76 7 B - reserved
77 7 C - psuedo tty slave
78 /dev/tty{class}{unit}
79 unit = minor % 16
80 minor / 16 = 0 - class = p
81 minor / 16 = 1 - class = q
82 minor / 16 = 2 - class = r
83 minor / 16 = 3 - class = s
84 minor / 16 = 4 - class = t
85 8 B - reserved
86 8 C - parallel printer
87 /dev/lp{class}{unit}
88 unit = minor & 0x1f
89 minor & 0x80 = 0x00 - class = t - interrupt driver
90 minor & 0x80 = 0x80 - class = a - polling driver
91 e.g.
92 0 - /dev/lpt0
93 128 - /dev/lpa0
94 9 B - reserved
95 9 C - quadrature mouse
96 minor = 0 - /dev/quadmouse
97 10 B - reserved
98 10 C - beep device
99 minor = 0 - /dev/beep
100 11 B - reserved
101 11 C - keyboard device
102 minor = 0 - /dev/kbd
103 12 B - reserved
104 12 C - serial port
105 /dev/tty0{unit}
106 unit = minor
107 13 B - reserver
108 13 C - reserved
109 14 B - reserved
110 14 C - reserved
111 15 B - reserved
112 15 C - reserved
113 16 B - ST506/ESDI/IDE disk
114 /dev/wd{unit}{partition}
115 partition = minor % 8
116 unit = minor / 8
117 16 C - ST506/ESDI/IDE disk
118 /dev/rwd{unit}{partition}
119 partition = minor % 8
120 unit = minor / 8
121 17 B - floppy disk
122 /dev/fd{unit}{partition}
123 partition = minor % 8
124 unit = minor / 8
125 17 C - floppy disk
126 /dev/rfd{unit}{partition}
127 partition = minor % 8
128 unit = minor / 8
129 18 B - ram disk
130 /dev/rd{unit}{partition}
131 partition = minor % 8
132 unit = minor / 8
133 18 C - ram disk
134 /dev/rrd{unit}{partition}
135 partition = minor % 8
136 unit = minor / 8
137 19 B - vnode disk driver
138 /dev/vnd{unit}{partition}
139 partition = minor % 8
140 unit = minor / 8
141 19 C - vnode disk driver
142 /dev/rvnd{unit}{partition}
143 partition = minor % 8
144 unit = minor / 8
145 20 B - reserved (ATAPI CDROM)
146 /dev/acd{unit}{partition}
147 partition = minor % 8
148 unit = minor / 8
149 20 C - reserved (ATAPI CDROM)
150 /dev/racd{unit}{partition}
151 partition = minor % 8
152 unit = minor / 8
153 21 B - concatenated disk driver
154 /dev/ccd{unit}{partition}
155 partition = minor % 8
156 unit = minor / 8
157 21 C - concatenated disk driver
158 /dev/rccd{unit}{partition}
159 partition = minor % 8
160 unit = minor / 8
161 22 B - reserved
162 22 C - reserved
163 23 B - reserved
164 23 C - reserved
165 24 B - SCSI disk
166 /dev/sd{unit}{partition}
167 partition = minor % 8
168 unit = minor / 8
169 24 C - SCSI disk
170 /dev/rsd{unit}{partition}
171 partition = minor % 8
172 unit = minor / 8
173 25 B - SCSI tape
174 25 C - SCSI tape
175 26 B - SCSI cdrom
176 /dev/cd{unit}{partition}
177 partition = minor % 8
178 unit = minor / 8
179 26 C - SCSI cdrom
180 /dev/rcd{unit}{partition}
181 partition = minor % 8
182 unit = minor / 8
183 27 B - reserved
184 27 C - SCSI autochanger
185 /dev/ch{unit}
186 unit = minor
187 28 B - reserved
188 28 C - SCSI unknown device
189 /dev/uk{unit}
190 unit = minor
191 29 B - reserved
192 29 C - SCSI scanner device
193 /dev/ss{unit}
194 unit = minor
195 30 B - reserved
196 30 C - reserved
197 31 B - reserved
198 31 C - reserved
199 32 B - reserved
200 32 C - Berkeley packet filter
201 /dev/bpf{unit}
202 unit = minor
203 minor = 0 - /dev/bpf0
204 minor = 1 - /dev/bpf1
205 minor = 2 - /dev/bpf2
206 minor = 3 - /dev/bpf3
207 33 B - reserved
208 33 C - network tunnel
209 /dev/tun{unit}
210 unit = minor
211 minor = 0 - /dev/tun0
212 minor = 1 - /dev/tun1
213 minor = 2 - /dev/tun2
214 34 B - reserved
215 34 C - file descriptor pseudo-device
216 minor = 0 - /dev/stdin
217 minor = 1 - /dev/stdout
218 minor = 2 - /dev/stderr
219 35 B - reserved
220 35 C - loadable module driver
221 minor = 0 - /dev/lkm
222 36 B - reserved
223 36 C - generic audio device
224 37 B - reserved
225 37 C - vidcconsole device
226 minor = 0 - /dev/vidcconsole
227 38 B - reserved
228 38 C - cpu/hydra
229 minor = 0 - /dev/cpu0
230 39 B - reserved
231 39 C - reserved
232 40 B - reserved
233 40 C - PS2 mouse
234 minor = 0 - /dev/pms
235 41 B - reserved
236 41 C - reserved
237 42 B - reserved
238 42 C - IIC device
239 43 B - reserved
240 43 C - RTC device
241 44 B - reserved
242 44 C - reserved (generic video)
243 (/dev/gfx{unit})
244 (unit = minor)
245 45 B - reserved
246 45 C - reserved (virtual console)
247 (/dev/ttyg{unit})
248 (unit = minor)
249 46 B - reserved
250 46 C - ip-filter
251 47 - reserved
252 48 B - reserved
253 48 C - S/PDIF
254 49 B - reserved
255 49 C - ofrom
256 50 B - reserved
257 50 C - smart card (/dev/scr)
258 51 B - reserved
259 51 C - reserved
260 52 B - reserved
261 52 C - random device
262 53 B - reserved
263 53 C - FIQ profiler
264 54 B - reserved
265 54 C - Footbridge diag serial
266 minor = 0 - /dev/fcom
267 55 B - reserved
268 55 C - reserved for bypass device
269 56 B - reserved
270 56 C - ISA jostick
271 57 B - reserved
272 57 C - MIDI I/O
273 58 B - reserved
274 58 C - Sequencer I/O
275 59 B - reserved
276 59 C - reserved for CODA
277 60 B - reserved
278 60 C - wsdisplay device
279 61 B - reserved
280 61 C - wskbd device
281 62 B - reserved
282 62 C - wsmouse device
283 63 B - reserved
284 63 C - reserved
285 64 B - reserved
286 64 C - USB controller
287 65 B - reserved
288 65 C - USB HID
289 66 B - reserved
290 66 C - USB printer
291 67 B - reserved
292 67 C - reserved
293 68 B - reserved
294 68 C - reserved
295 69 B - reserved
296 69 C - reserved
298 70+ free for allocation